Function _sg_gl_query_image_pixels

source/graphics_platform_d3d11.cpp:260–283

#if 0

static void _sg_gl_query_image_pixels(_sg_image_t* img, void* pixels) {
    SOKOL_ASSERT(img->gl.target == GL_TEXTURE_2D);
    SOKOL_ASSERT(0 != img->gl.tex[img->cmn.active_slot]);
#if defined(SOKOL_GLCORE33)
    _sg_gl_cache_store_texture_binding(0);
    _sg_gl_cache_bind_texture(0, img->gl.target, img->gl.tex[img->cmn.active_slot]);
    glGetTexImage(img->gl.target, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
    _SG_GL_CHECK_ERROR();
    _sg_gl_cache_restore_texture_binding(0);
#else
    static GLuint newFbo = 0;
    GLuint oldFbo = 0;
    if(newFbo == 0) {
        glGenFramebuffers(1, &newFbo);
    }
    glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*)&oldFbo);
    glBindFramebuffer(GL_FRAMEBUFFER, newFbo);
    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, img->gl.tex[img->cmn.active_slot], 0);
    glReadPixels(0, 0, img->cmn.width, img->cmn.height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
    glBindFramebuffer(GL_FRAMEBUFFER, oldFbo);
    //glDeleteFramebuffers(1, &newFbo);
    _SG_GL_CHECK_ERROR();
#endif
}

static void _sg_gl_query_pixels(int x, int y, int w, int h, void *pixels) {
    SOKOL_ASSERT(pixels);